Zimmermann 100.3380.75 Disc Brake Rotor - Front

Overview of Zimmermann Disc Brake Rotor 100.3380.75

The Zimmermann 100.3380.75 disc brake rotor is engineered for Audi models including A6, A6 Quattro, A7, A7 Quattro, A8 Quattro, S6, S7, and S8. Designed as a two-piece brake disc, it offers reliable braking performance with precise fitment and durable construction.

• Two-piece brake disc design for improved heat dissipation
• Outer diameter of 400 mm and thickness of 38 mm
• Aluminum hub floating quality with alloyed high-carbon machining
• Bolt hole circle diameter of 112 mm with 6/5 hole arrangement
• Hub bore diameter of 68 mm for exact fitment
• Coated surface for corrosion resistance
• ECE R90 approved inspection tag ensuring compliance
• Minimum thickness of 35.0 mm and height of 52.4 mm
• Weight of 14.7 kg for balanced performance

Technical Details and Construction

This Zimmermann disc brake rotor (part number 100.3380.75) features a two-piece design combining an alloyed, high-carbon machined rotor with an aluminum hub. The floating hub design helps reduce unsprung weight and improves heat management during braking. The rotor’s 400 mm outer diameter and 38 mm thickness provide a robust braking surface, while the 112 mm bolt hole circle and 6/5 hole arrangement ensure precise mounting on compatible Audi models. The coated surface enhances corrosion resistance, extending the rotor’s service life under various driving conditions.

Compatible Audi Models and Applications

This disc brake rotor is compatible with a range of Audi vehicles, including the A6, A6 Quattro, A7, A7 Quattro, A8 Quattro, S6, S7, and S8. It is designed to meet the specific braking requirements of these models, ensuring proper fit and function. The part number 100.3380.75 corresponds directly to these applications, making it suitable for replacement or upgrade in these vehicles.

Common Issues Addressed by This Rotor

• Brake judder or vibration caused by uneven rotor wear
• Reduced braking efficiency due to rotor warping
• Corrosion and surface degradation affecting braking performance
• Excessive brake noise from worn or damaged rotors
• Incompatibility or poor fitment with original brake components

Installation Notes and Tips

When installing the Zimmermann 100.3380.75 disc brake rotor, ensure the hub bore diameter of 68 mm matches the vehicle hub for proper centering. Verify the bolt hole circle of 112 mm and the 6/5 hole arrangement align with the vehicle’s mounting pattern. It is recommended to inspect the brake calipers and pads for wear and replace them if necessary to maintain optimal braking performance. Proper torque specifications should be followed during installation to avoid rotor distortion.

Quality Assurance and Compliance

The Zimmermann 100.3380.75 rotor carries an ECE R90 approved inspection tag, confirming it meets European safety and quality standards for replacement brake components. Manufactured with alloyed high-carbon materials and featuring a coated surface, this rotor is designed for durability and consistent braking performance. While specific warranty details should be confirmed with the supplier, Zimmermann products typically adhere to strict quality control processes to ensure reliability.